Vending machine



FIG. 1 is a front perspective view of a vending machine;

FIG. 2 is another front perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back side view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is another side view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a top view thereof.

The broken lines showing of the vending machine is for the purpose of illustrating graphical icons and portions of the article and forms no part of the claimed design. 

CLAIM The ornamental design for a vending machine, as shown and described. 